EP0456501A3 - Pilot signal eliminating circuit - Google Patents

Pilot signal eliminating circuit Download PDF

Info

Publication number
EP0456501A3
EP0456501A3 EP19910304200 EP91304200A EP0456501A3 EP 0456501 A3 EP0456501 A3 EP 0456501A3 EP 19910304200 EP19910304200 EP 19910304200 EP 91304200 A EP91304200 A EP 91304200A EP 0456501 A3 EP0456501 A3 EP 0456501A3
Authority
EP
European Patent Office
Prior art keywords
pilot signal
eliminating circuit
signal eliminating
circuit
pilot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910304200
Other versions
EP0456501B1 (en
EP0456501A2 (en
Inventor
Shigeru Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP0456501A2 publication Critical patent/EP0456501A2/en
Publication of EP0456501A3 publication Critical patent/EP0456501A3/en
Application granted granted Critical
Publication of EP0456501B1 publication Critical patent/EP0456501B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
EP91304200A 1990-05-09 1991-05-08 Pilot signal eliminating circuit Expired - Lifetime EP0456501B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP117470/90 1990-05-09
JP2117470A JPH0414989A (en) 1990-05-09 1990-05-09 Pilot signal elimination circuit

Publications (3)

Publication Number Publication Date
EP0456501A2 EP0456501A2 (en) 1991-11-13
EP0456501A3 true EP0456501A3 (en) 1992-10-28
EP0456501B1 EP0456501B1 (en) 1996-08-14

Family

ID=14712483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91304200A Expired - Lifetime EP0456501B1 (en) 1990-05-09 1991-05-08 Pilot signal eliminating circuit

Country Status (5)

Country Link
US (1) US5463474A (en)
EP (1) EP0456501B1 (en)
JP (1) JPH0414989A (en)
KR (1) KR100236357B1 (en)
DE (1) DE69121289T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673308A (en) * 1994-10-12 1997-09-30 Bell Atlantic Network Services, Inc. Personal phone number system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613912A (en) * 1982-09-10 1986-09-23 Hitachi, Ltd. Recording and reproducing apparatus for a video tape recorder
EP0311117A2 (en) * 1987-10-08 1989-04-12 Victor Company Of Japan, Limited VTR having pilot signal control function for selecting playback luminance signal filter characteristics
US4870507A (en) * 1986-09-06 1989-09-26 Samsung Electronics Co., Ltd. Video tape recorder system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770099A (en) * 1980-10-20 1982-04-30 Seiko Epson Corp Gold brazing filler metal
JPS5890880A (en) * 1981-11-24 1983-05-30 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
JPS6051388A (en) * 1983-08-31 1985-03-22 Sony Corp Secondary beat cancelling circuit
JPS60201554A (en) * 1984-03-23 1985-10-12 Hitachi Ltd Magnetic recording and reproducing device
US4823198A (en) * 1984-12-25 1989-04-18 Mitsubishi Denki Kabushiki Kaisha Video recording and reproducing device and method including video signal record restart during rewind/playback operation after non-detection of pilot signal in video track
KR910001472B1 (en) * 1985-10-09 1991-03-07 마쯔시다덴기산교 가부시기가이샤 Recording and reproducing apparatus for reducing cross-talk in color television signal
JPS62214797A (en) * 1986-03-17 1987-09-21 Sony Corp Reproducing chrominance signal processing circuit
EP0253296B1 (en) * 1986-07-17 1992-12-02 Sanyo Electric Co., Ltd. Frequency converter for video tape recorder
JPS63233677A (en) * 1987-03-20 1988-09-29 Sony Corp Noise reducing circuit
JPH01162497A (en) * 1987-12-19 1989-06-26 Matsushita Electric Ind Co Ltd Color signal processor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613912A (en) * 1982-09-10 1986-09-23 Hitachi, Ltd. Recording and reproducing apparatus for a video tape recorder
US4870507A (en) * 1986-09-06 1989-09-26 Samsung Electronics Co., Ltd. Video tape recorder system
EP0311117A2 (en) * 1987-10-08 1989-04-12 Victor Company Of Japan, Limited VTR having pilot signal control function for selecting playback luminance signal filter characteristics

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS. vol. 30, no. 4, 30 November 1984, NEW YORK US pages 568 - 573; A.SHIBATA ET AL: 'The new chroma signal recording system for 8mm video' *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 60 (P-435)11 March 1986 & JP-A-60 201 554 ( HITACHI SEISAKUSHO KK ) 12 October 1985 *
PATENT ABSTRACTS OF JAPAN vol. 12, no. 72 (E-588)5 March 1988 & JP-A-62 214 797 ( SONY CORPORATION ) 21 September 1987 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 435 (E-825)28 September 1989 & JP-A-01 162 497 ( MATSUSHITA ELECTRIC IND CO ) 26 June 1989 *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 186 (E-193)16 August 1983 & JP-A-58 090 880 ( MATSUSHITA DENKI SANGYO KK ) 30 May 1983 *

Also Published As

Publication number Publication date
US5463474A (en) 1995-10-31
KR100236357B1 (en) 2000-01-15
DE69121289T2 (en) 1997-02-20
JPH0414989A (en) 1992-01-20
EP0456501B1 (en) 1996-08-14
KR910020688A (en) 1991-12-20
EP0456501A2 (en) 1991-11-13
DE69121289D1 (en) 1996-09-19

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